Home / 212,538.68-293,305.30-117,045.76

Finding the Fourth Proportional to 212,538.68, 293,305.30 and 117,045.76

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Solution

The fourth proportional to 212,538.68, 293,305.30 and 117,045.76 is: 161,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,538.68 : 293,305.30 = 117,045.76 : x
  2. Step 2: Convert to fraction form
    212,538.68/293,305.30 = 117,045.76/x
  3. Step 3: Cross multiply
    212,538.68x = 293,305.30 × 117,045.76
  4. Step 4: Simplify right side
    212,538.68x = 34,330,141,750.53
  5. Step 5: Solve for x
    x = 34,330,141,750.53/212,538.68
  6. Step 6: Final answer
    x = 161,524.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.